Lembar, Indonesia experiences average highs of 30°C (86°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Lembar, Indonesia Weather & Climate 2026
Monthly climate averages for Lembar, Indonesia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.8/10
Best: June, July, August
UV Index
8
High
Temperature 30°C / 25°C
Feels Like 35°C / 29°C
Rainy Days 16
Rainfall 148 mm
Sunshine 10 h
Humidity 83%
Wind Speed 17 km/h
Dew Point 24°C
Hottest Month
31°C
October
Avg Low25°C
Rain13days
Coldest Month
24°C
August
Avg High30°C
Rain3days
Driest Month
3days
August
Avg High30°C
Avg Low24°C
Windiest Month
21 km/h
July (Gusts 36)
Sea Temperature
28°C – 30°C
Warmest water: April (
29.9°C
)
Worst Time to Visit
Consider avoiding February, March, November, December due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:29
Daylight 11.6h
Sunset 18:06
Live conditions—
Lembar on the map · live conditions
Lembar, Indonesia
- Continent
- Asia
- Country
- Indonesia
- City
- Lembar
- Population
- 10K
- Coordinates
- -8.73°, 116.07°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 31°C
Avg Low 25°C
Rain 15 days/mo
Summer
Dec–Feb
Avg High 29°C
Avg Low 25°C
Rain 27 days/mo
Autumn
Mar–May
Avg High 30°C
Avg Low 25°C
Rain 18 days/mo
Winter
Jun–Aug
Avg High 30°C
Avg Low 24°C
Rain 5 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 29°C / 25°C . Feb: 29°C / 25°C . Mar: 30°C / 25°C . Apr: 30°C / 25°C . May: 30°C / 25°C . Jun: 30°C / 24°C . Jul: 29°C / 24°C . Aug: 30°C / 24°C . Sep: 31°C / 24°C . Oct: 31°C / 25°C . Nov: 30°C / 25°C . Dec: 29°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 301 mm. Feb: 278 mm. Mar: 207 mm. Apr: 130 mm. May: 61 mm. Jun: 42 mm. Jul: 27 mm. Aug: 13 mm. Sep: 49 mm. Oct: 102 mm. Nov: 238 mm. Dec: 323 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 88%. Mar: 87%. Apr: 85%. May: 82%. Jun: 81%. Jul: 78%. Aug: 77%. Sep: 78%. Oct: 80%. Nov: 85%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 16 km/h . Mar: 13 km/h . Apr: 14 km/h . May: 17 km/h . Jun: 19 km/h . Jul: 21 km/h . Aug: 21 km/h . Sep: 19 km/h . Oct: 17 km/h . Nov: 14 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 9h. Mar: 10h. Apr: 10h. May: 11h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 11h. Nov: 10h. Dec: 10h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 29°C . Feb: 29°C . Mar: 30°C . Apr: 30°C . May: 30°C . Jun: 29°C . Jul: 28°C . Aug: 28°C . Sep: 28°C . Oct: 29°C . Nov: 30°C . Dec: 30°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 9. Mar: UV 9. Apr: UV 8. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 9. Oct: UV 9. Nov: UV 9. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 31 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Oct 2025 · 30°C | Oct · 31°C |
| Coldest month | Jul 2025 · 24°C | Aug · 24°C |
| Wettest month | Jan 2025 · 424 mm | Dec · 323 mm |
| Windiest month | Jul 2025 · 22 km/h | Jul · 21 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Poor June best
Good July best
Excellent August best
Good September
Fair October
Poor November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 29°C / 25°C | 35°C / 30°C | 29days (301 mm) Wet | 8.9h Good | 88% Very Muggy | 8 Very High | Wet | View Details |
| February | 29°C / 25°C | 35°C / 30°C | 25days (278 mm) Wet | 9.3h Good | 88% Very Muggy | 9 Very High | Wet | View Details |
| March | 30°C / 25°C | 36°C / 30°C | 27days (207 mm) Wet | 9.8h Good | 87% Very Muggy | 8.6 Very High | Wet | View Details |
| April | 30°C / 25°C | 37°C / 30°C | 18days (130 mm) Wet | 10.4h Excellent | 85% Humid | 8.2 Very High | Wet | View Details |
| May | 30°C / 25°C | 36°C / 29°C | 10days (61 mm) Wet | 10.6h Excellent | 82% Humid | 7.3 Very High | Poor | View Details |
| June best | 30°C / 24°C | 34°C / 28°C | 7days (42 mm) Good | 10.5h Excellent | 81% Humid | 7 High | Good | View Details |
| July best | 29°C / 24°C | 32°C / 26°C | 5days (27 mm) Good | 10.8h Excellent | 78% Humid | 7.2 Very High | Excellent | View Details |
| August best | 30°C / 24°C | 33°C / 26°C | 3days (13 mm) Excellent | 10.9h Excellent | 77% Humid | 8.1 Very High | Good | View Details |
| September | 31°C / 24°C | 35°C / 28°C | 7days (49 mm) Good | 11.2h Excellent | 78% Humid | 8.9 Very High | Fair | View Details |
| October | 31°C / 25°C | 37°C / 29°C | 13days (102 mm) Wet | 11.2h Excellent | 80% Humid | 9.2 Very High | Poor | View Details |
| November | 30°C / 25°C | 37°C / 30°C | 25days (238 mm) Wet | 10.3h Excellent | 85% Humid | 8.7 Very High | Wet | View Details |
| December | 29°C / 25°C | 35°C / 30°C | 27days (323 mm) Wet | 9.5h Good | 87% Very Muggy | 8.1 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Lembar are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Lembar, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Lembar is October, with average daytime highs of 31°C (88°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Lembar is August, with average overnight lows of 24°C (74°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Lembar is December, averaging 323mm of precipitation across 27 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Lembar runs through January, March, December, February, with the heaviest rainfall in January. Based on 10-year averages for Lembar.
Lembar receives approximately 123 sunshine hours per year. The sunniest month is September with around 11 hours. Based on climate data for Lembar.
The least favorable months to visit Lembar are February, March, November, December, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider June, July, August instead.
The annual average UV index in Lembar is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Lembar is 83%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Lembar are 17 km/h (11 mph). The windiest month is July with peak winds reaching 21 km/h (13 mph) (gusts up to 36 km/h / 22 mph).
Lembar averages 2 clear-sky days per month with overall cloud cover around 65%. The clearest skies occur in August.
The annual average dew point in Lembar is 24°C (75°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Lembar has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Lembar ranges from 29°C (84°F) to 35°C (95°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
Yes, June is a great time to visit Lembar. It earns a climate score of 6.5/10 with Good.
For June in Lembar, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 30°C (86°F) and 7 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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